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Gravitational waves reveal 'stellar graveyard' packed with neutron star and black hole mergers
Astronomers have doubled the number of black hole and neutron star mergers detected via gravitational waves in a "stellar graveyard," as well as "hearing" the heaviest black hole binary yet.
13 minutes ago
Space.com
Gravitational waves reveal 'stellar graveyard' packed with neutron star and black hole mergers
Space.com
There's nothing original about 'Strange New Worlds' latest episode, 'Terrarium', but it's classic 'Star Trek'
We've seen it all before, but some sci-fi clichés just work.
13 minutes ago
Space.com
There's nothing original about 'Strange New Worlds' latest episode, 'Terrarium', but it's classic 'Star Trek'
Space.com
Butterfly Star flaps its rainbow wings | Space photo of the day for Sept. 4, 2025
This young star is surrounded by a protoplanetary disk, separating the "wings" of the butterfly.
1 hour ago
Space.com
Butterfly Star flaps its rainbow wings | Space photo of the day for Sept. 4, 2025
Space.com
Where to see the blood moon lunar eclipse Sept. 7–8
The September 2025 total lunar eclipse will bring a blood-red moon to skies across Asia, Australia, Africa and Europe — if you know where to look.
1 hour ago
Space.com
Where to see the blood moon lunar eclipse Sept. 7–8
Space.com
Watch NASA's Artemis 2 moon astronauts take on the viral 'Bobby and Pete' fitness challenge (video)
The four Artemis 2 moon astronauts passed the "Bobby and Pete" fitness challenge recently, performing 100 pushups and 50 pull-ups in less than 10 minutes.
15 hours ago
Space.com
Watch NASA's Artemis 2 moon astronauts take on the viral 'Bobby and Pete' fitness challenge (video)
Space.com
Radical new Big Bang theory says gravitational waves created galaxies, stars and planets
A new Big Bang model does away with speculative elements, putting gravitational waves at the forefront of the creation of galaxies, stars, and planets.
17 hours ago
Space.com
Radical new Big Bang theory says gravitational waves created galaxies, stars and planets
Thinning Arctic Sea Ice
Sea ice is frozen seawater that floats in the ocean. This photo, taken from NASA’s Gulfstream V Research Aircraft on July 21, 2022, shows Arctic sea ice in the Lincoln Sea north of Greenland. This image is the NASA Science Image of the Month for September 2025. Each month, NASA’s Science Mission ...
21 hours ago
NASA
Thinning Arctic Sea Ice
Acting NASA Administrator Duffy Selects Exploration-Focused Associate Administrator
Acting NASA Administrator Sean P. Duffy Wednesday named Amit Kshatriya as the new associate administrator of NASA, the agency’s top civil service role. A 20-year NASA veteran, Kshatriya was most recently the deputy in charge of the Moon to Mars Program in the Exploration Systems Development Mission ...
23 hours ago
NASA
Acting NASA Administrator Duffy Selects Exploration-Focused Associate Administrator
Interview with Dr. Caleb Scharf
_________________________________________________________________________________________ In the following interview, questions from the interviewer, Fred Van Wert, are in bold, and Caleb Scharf's responses are in regular text. _________________________________________________________________________________________ ...
1 day ago
NASA
Interview with Dr. Caleb Scharf
NASA 2026 Human Lander Challenge
NASA’s Human Lander Challenge (HuLC) is an initiative supporting its Exploration Systems Development Mission Directorate’s (ESDMD’s) efforts to explore innovative solutions for a variety of known technology development areas for human landing systems (HLS). Landers are used to safely ferry astronauts ...
1 day ago
NASA
NASA 2026 Human Lander Challenge
What’s Up: September 2025 Skywatching Tips from NASA
Saturn’s spectacle, a Conjunction, and the Autumnal Equinox Saturn shines throughout the month, a conjunction sparkles in the sky, and we welcome the autumnal equinox.  Skywatching Highlights Transcript What’s Up for September? Saturn puts on a spectacular show, a sunrise conjunction shines bright, ...
1 day ago
NASA
What’s Up: September 2025 Skywatching Tips from NASA
Circular Star Trails
On July 26, 2025, NASA astronaut Nichole Ayers took this long-exposure photograph – taken over 31 minutes from a window inside the International Space Station’s Kibo laboratory module – capturing the circular arcs of star trails. In its third decade of continuous human presence, the space station ...
1 day ago
NASA
Circular Star Trails
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